evans



' 0. EVANS. v GATT-LB GUARD.

(No Model.)

' Patented Mar. 22, 1892.

xwtmooc-o QZY/Q/M Penna co, P omripumm, wnsmmrro UNITED STATES OWEN N. EVANS, OF MONTREAL, CANADA.

CATTLE=G UARD.

SPECIFICATION forming part of Letters Patent No. 471,213, dated March 22, 1892.

Application filed May 23, 1891- Serial No. 393,914- (No model.)

To all whom it may concern:

Be it known that I, OWEN NORTON EVANS, of the city of Montreal, in the district of Montreal and Province of Quebec, Canada, have invented certain new and useful Improvements in Cattle-Guards; and I do hereby declare that the following is a full, clear, and exact description of the same.

This invention relates to surface cattleguards, and has for its object to simplify, cheapen, and strengthen their construction, besides rendering them more safe to use so far as the trains passing over them are concerned. Heretofore the bars or stripsforming the guards have been set up in the necessary quantities to form the sections required and secu red together by separate transverse rod or bar connect-ions and the ends of the bars left bare and projecting.

By my invention, which consists in bending the bars themselves at each end so as to form a little more than a right angle and by alternate up and down notches, respectively, in the bent ends and the main lengths interlocking one bar with another, all necessity for using the separate transverse connections is done away with, and thereby much time saved and trouble avoided, besides economy of material effectedin their construction, and, furthermore, this manner of setting the bars together effectually disposes the ends of the bars in such a way that there is no possibility of dragging chains, links, 850., from a passing train catching upon them. For full comprehension, however, of the invention reference must behad to the annexed drawings, in which like symbols indicate corresponding parts, and wherein- Figure 1 is a perspective view of a section of a surface cattle-guard constructed according to my invention and laid beside a railway-rail; Fig. 2, a perspective view of a detached bar; Fig. 3, a plan view of the ends of two bars locked together, and Fig. 4 a side View of an unbent bar after being notched.

My bars are formed of strips A A of reasonably thin metal with bentendsBB turned to a little more than a right angle and haV= ing notches in their main lengths and bent ends, respectively, at a a and b b for half the depth of the bar, those of the main lengths being made in the lower edges of the same and those of the bent ends in their upper edges, so that the main length of one bar can be interlocked with the bent ends of another.

The length of the bent ends and the location of the notches in the same are such as to secure the proper spacing of the bars and to join the whole firmly together. The extreme portion of each bent end is, as shown at cl in Fig. 3, kinked or bent in toward the main length interlocked with it, so as to contract its own notch and bind upon the main length, thus effectively preventing any chance of rattling 0r shaking apart.

The guard-sections formed into rigid gratings, as just described, can be securedin place on the ties by a couple of spikes, and where the road-bed falls away abruptly at the ends of the ties a tie of additional 1ength-such as E-situated centrally of the length of the guard can be used to support the extreme outside bars.

What I claim is as follows:

1. A surface cattle-guard formed of aseries of metal bars interlocking at their ends only.

2. A surface cattle-guard formed of a series of metal bars, each bar having bent end portions adapted to interlock with the main length of another bar.

3. A surface cattle-guard formed of a series of metal bars, each bar having bent end portions and being notched so that such end portions will interlock with the main length of another bar.

4. A surface cattle-guard formed of a series of bars, each bar having its ends bent at approximately right angles and interlocking with the main length of another bar.

OWEN N. EVANS.

Witnesses:

WILL. P. MCFEAT, FRED. J. SEARS. 

